A facial serum for wrinkles and signs of ageing. Harness the anti-aging and brightening power of our original C-Tetra ® facial serum in an ultra-gentle, effective treatment designed for the delicate eye area. Eyes are left revitalised and youthful-looking. C-Tetra Eye is a powerful serum that smooths fine lines and wrinkles around the eye area for an awakened and rejuvenated appearance.